Wordiyooptional
🇬🇧 UK/'ɒpʃәnl/🇺🇸 US
IELTSTOEFLGREB2
Definitions
adj.
Not required; left to personal choice rather than being compulsory.
可选择的，非强制的，随意的
n.
Something that is not compulsory, especially an elective part of a course.
选修课，可选项目
🧩 Root Breakdown
Root-derivedCommon Collocations
- 1.optional feature可选功能
- 2.optional requirement可选要求
- 3.optional service可选服务
Example Sentences
- 1.
Attending the company picnic is optional, but most employees participate.
- 2.
The premium features are optional, but they enhance the user experience.